| Board of Directors | 1997 – 2000 |
| Board of Directors | 2002 – 2003 |
| Chairman | 1996 – 2002 |
| Board of Directors | 1996 – 1997 |
| Chairman | 2004 – 2009 |
| Board of Directors | 1996 – 1997 |
| Board of Directors | 2002 – 2003 |
| Chairman | 2003 – 2004 |
| Chairman | 1997 – 2000 |
| Chairman | 1996 – 1997 |
| Board of Directors | 1985 – 1987 |
| Board of Directors | 1985 – 2002 |
| Board of Directors | 1985 – 1987 |
| Board of Directors | 2003 – 2009 |
| Board of Directors | 2003 – 2009 |
| Board of Directors | 2000 – 2003 |
| Board of Directors | 1985 – 1987 |